McArthur joined Crystal Palace from Wigan for £7million in 2014 and has scored 16 goals in 135 games for Palace.
The Scotland international, who turns 31 next month, is entering his fifth season as a Palace player.
September 17, 2018
Crystal Palace chairman Steve Parish spoke highly of McArthur to the club's website: “James is the epitome of a model professional. He sets a brilliant example to other players, and is a real team man.
"James has been a huge success at the club and embodies everything we are about at Crystal Palace FC. We are absolutely delighted that he has resigned with us.”
James McArthur also said: “I’m very pleased to commit myself to the club for another three years. It’s great, and I’m excited about the challenges that come.
"The manager has brought the best out of me from last season, and I really enjoy playing under him. We have a very good squad where there is competition for places all over the field, and I think we’ll get stronger and stronger.”
September 17, 2018